She is due to deliver a lecture on genetic engineering.

根据安排她要作一个关于转基因的演讲。

Our captain gave us a stern lecture on safety.

我们的船长在安全问题上给了我们严厉的批评。

She then invited him to Atlanta to lecture on the history of art.

她于是邀请他去亚特兰大讲授艺术史。

He was invited to lecture on American literature at our college.

他被请到我们学院讲授美国文学。

I have attended a lecture on English writing, which benefited me quite a lot.

我参加了一个关于英语写作的讲座，受益良多。